10" x 10" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 13" x 13"] w6h6 This 20" X 12" end

This 20" X 12" end cap is constructed with 26-gauge galvanized steel

22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille - 3 Pack

actual front end outer dimensions are approximately 36 5/8" width X 22 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 16" OR 16" x 20" duct opening (measured at the opening)

32" x 8" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply

10" x 10" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 13" x 13"] w6h6 This 20" X 12" end+ Product Details Size Refers to duct opening only. The face frame extends roughly 1. 5" on each side. Do not measure the overall grille for sizing. Design All aluminum frame and back blades. Rustproof and built to last in moisture prone environments. Quiet Airflow Opposing blade damper design reduces vibration and noise for smoother air distribution. Clean Finish White powder coated surface resists chips, scratches, and discoloration over time. Easy